Two commemorative KNIGA covers honoring Russia’s Voskhod 1 and Voskhod 2 missions, each signed in ink by their respective crews: Voskhod 1 (Vladimir Komarov, Konstantin Feoktistov, and Boris Yegorov); and Voskhod 2 (Pavel Belyayev and Alexei Leonov). A portion of each signature touches the affixed postage stamp. In fine condition. Accompanied by a certificate of authenticity from KNIGA, the Russian philatelic department.
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